C#: Add missing WithMarkers to ExpressionStatement

ExpressionStatement delegates Markers to its inner expression but
had no WithMarkers method, which would cause a RuntimeBinderException
if SearchResult.Found or any other dynamic WithMarkers call targeted
this type.

Author: steve-aom-elliott

rewrite-csharp/csharp/OpenRewrite/CSharp/Cs.cs

@@ -51,6 +51,8 @@ public ExpressionStatement WithExpression(Expression expression) =>
     // ExpressionStatement delegates prefix/markers to its expression
     public Space Prefix => Expression.Prefix;
     public Markers Markers => Expression.Markers;
+    public ExpressionStatement WithMarkers(Markers markers) =>
+        new(Id, (Expression)((dynamic)Expression).WithMarkers(markers));
 
     Tree Tree.WithId(Guid id) => WithId(id);